Growatt 3.5KW Single Phase Off-Grid Solar Inverter
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What it is, and what it is for
Off-grid inverter-charger: the SPF 3500TL LVM-US is a 3.5 kW inverter with a built-in MPPT solar charger and an AC charger, for 48 V off-grid systems. With an integrated MPPT charge controller and the ability to work with or without a battery, this inverter ensures you have power whenever you need it. It is CSA approved.
High-Capacity and Flexible Input: Boasting a PV input voltage up to 280 V DC and the option to connect a generator, this inverter provides a flexible approach to energy management. Choose between grid or solar input priority based on your requirements and enjoy a configurable energy experience.
Smart Connectivity and Expansion: The SPF 3500TL LVM-US supports WIFI/GPRS for remote monitoring, keeping you connected to your energy system wherever you are. With support for parallel operation, expand your system's capacity up to a staggering 21 kW for larger energy demands. Parallel connection of two SPF3500 can give you 110V and 240V A/C output.
Intelligent Power Management: This inverter smartly utilises PV and grid power or generator to jointly power the load if solar energy is insufficient, ensuring you're never without power. Customize your energy usage with flexible scheduling for charging and discharging times according to your needs.
Robust and Efficient Design: Engineered for peak performance, the SPF 3500TL LVM-US delivers up to 3500W of pure sine wave output, with a peak efficiency of 90%.
What Can It Power?
- Home Appliances: Power essential devices like fridges, ovens, and washing machines with ease.
- Office Equipment: Ensure your computers, printers, and servers stay online without interruption.
- Medical Devices: Reliable for sensitive equipment like CPAP machines, ensuring safety during use.
- Power Tools: Keep your workshop running smoothly with consistent power for drills, saws, and more.
- Entertainment Systems: Enjoy uninterrupted entertainment with stable power to TVs, gaming consoles, and sound systems.
- Charging Stations: Efficiently charge electric vehicles, bikes, and scooters.
- Outdoor & Recreational: Perfect for RVs, camping, and outdoor events, providing power for lighting, cooking, and entertainment.
Empower your home or business with the reliable and expandable Growatt Off-Grid Storage Inverter SPF 3500TL LVM-US – your smart solution to modern energy demands.
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Every number, by component.
The figures the manufacturer publishes. The datasheet above is the reference if the two ever differ.
| Specification | Details |
|---|---|
| Battery Voltage | 48VDC |
| Battery Type | Lithium/Lead-acid |
| Inverter Output | Rated Power: 3500VA 3500W Parallel Capability: Yes, 6 units maximum AC Voltage Regulation (Battery Mode): 100Vac/110Vac/120Vac @ 50/60Hz Surge Power: 6000VA Efficiency (Peak): 90% Waveform: Pure Sine Wave Transfer Time: 10ms typical, 20ms max |
| Solar Charger | Maximum PV Array Power: 4000W MPPT Range @ Operating Voltage: 120VDC – 225VDC Maximum PV Array Open Circuit Voltage: 280 V DC Maximum Solar Charge Current: 80A |
| AC Charger | Charge Current: 40A AC Input Voltage: 120VAC Selectable Voltage Range: 95-140VAC (For Personal Computers); 65-140VAC (For Home Appliances) Frequency Range: 50Hz/60Hz (Auto sensing) |
| Physical | Protection Degree: IP20/NEMA Type1 Dimension (W/H/D): 330/485/135mm Net Weight: 12kg |
| Operating Environment | Humidity: 5% to 95% Relative Humidity (Non-condensing) Operating Temperature: 0°C - 50°C (32°F - 122°F) Storage Temperature: -15°C - 60°C (-5°F - 140°F) |
| Warranty | 2 Years |
Before you order.
If yours isn't here, ask an engineer. It costs nothing and it's the step most people skip.
What if I'm not sure this is the right product?
Ask before you order. Send us what you need to run, or your pool or well figures, and an engineer will confirm the choice — it costs nothing. Or use the finder below, which sizes from what you actually run and shows its reasoning.





